/*
 * Copyright (c) 2014. Jordan Williams
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.jordanwilliams.heftydb.offheap.allocator;


import com.jordanwilliams.heftydb.offheap.JVMUnsafe;
import sun.misc.Unsafe;

/**
 * An off-heap memory allocator that uses sun.misc.Unsafe
 */
public class UnsafeAllocator implements Allocator {

    private static final Unsafe unsafe = JVMUnsafe.unsafe;

    @Override
    public long allocate(long size) {
        return unsafe.allocateMemory(size);
    }

    @Override
    public void deallocate(long address) {
        unsafe.freeMemory(address);
    }
}
